The state auditor of Missouri is an elected constitutional officer in the executive branch of government of the U.S. state of Missouri. Thirty-eight individuals have occupied the office of state auditor since statehood. The incumbent is Scott Fitzpatrick, a Republican.

Scott Fitzpatrick is an American politician serving as the state auditor of Missouri since 2023. He previously served as Missouri State Treasurer from 2019 to 2023 and represented Missouri's 158th District in the Missouri House of Representatives from 2013 to 2019.